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A new aspheric surface pre-collimation lenses system for the optical antenna of three-dimensional (3D) imaging of lidar has been optimally designed and simulated by optical design software CODE-V.Four kinds of aspheric surfaces spherical lenses including the sections of spherical,elliptical,hyperbola,and parabola have been researched.The optical system,including the elliptical cylinder lenses collimation and the optical antenna,can be realized less than 5 rad collimation angle for dot source semiconductor laser beam.
A new aspheric surface pre-collimation lenses system for the optical antenna of three-dimensional (3D) imaging of lidar has been optimally designed and simulated by optical design software CODE-V.Four kinds of aspheric surfaces spherical lenses including the sections of spherical, elliptical, hyperbola, and parabola have been researched. The optical system, including the elliptical cylinder lenses collimation and the optical antenna, can be realized less than 5 rad collimation angle for dot source semiconductor laser beam.